Fatuous
Fatuous adjective - Not having or showing an ability to absorb ideas readily.
Usage example: the fatuous questions that the audience members asked after the lecture suggested to the oceanographer that they had understood little
Thickheaded and fatuous are semantically related. In some cases you can use "Thickheaded" instead an adjective "Fatuous".
Thickheaded
Thickheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't suppose that he's thickheaded just because he doesn't understand English very well
Fatuous and thickheaded are semantically related. Sometimes you can use "Fatuous" instead an adjective "Thickheaded".
Mutual synonyms
Cite this Source
Thickheaded and Fatuous. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/fatuous/thickheaded
Fatuous & Thickheaded. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/fatuous/thickheaded>.
Thickheaded or Fatuous. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/fatuous/thickheaded.
Google Ngram Viewer shows how "fatuous" and "thickheaded" have occurred on timeline